<template>
  <div class="app-container">
    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-input
        v-model="listQuery.userId"
        clearable
        class="filter-item"
        style="width: 200px"
        :placeholder="$t('goods_comment.placeholder.filter_user_id')"
      />
      <el-input
        v-model="listQuery.valueId"
        clearable
        class="filter-item"
        style="width: 200px"
        :placeholder="$t('goods_comment.placeholder.filter_value_id')"
      />
      <el-button
        class="filter-item"
        type="primary"
        icon="el-icon-search"
        @click="handleFilter"
        >{{ $t("app.button.search") }}</el-button
      >
      <el-button
        :loading="downloadLoading"
        class="filter-item"
        type="primary"
        icon="el-icon-download"
        @click="handleDownload"
        >{{ $t("app.button.download") }}</el-button
      >
    </div>

    <!-- 查询结果 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      :element-loading-text="$t('app.message.list_loading')"
      :header-cell-style="{
        background: 'rgba(239, 241, 244, 0.2)',
        color: '#333333',
      }"
      border
      fit
    >
      <el-table-column
        align="center"
        :label="$t('goods_comment.table.user_id')"
        prop="userId"
      />

      <el-table-column
        align="center"
        :label="$t('goods_comment.table.value_id')"
        prop="valueId"
      />

      <el-table-column
        align="center"
        :label="$t('goods_comment.table.star')"
        prop="star"
      />

      <el-table-column
        align="center"
        :label="$t('goods_comment.table.content')"
        prop="content"
      />

      <el-table-column
        align="center"
        :label="$t('goods_comment.table.pic_urls')"
        prop="picUrls"
      >
        <template slot-scope="scope">
          <el-image
            v-for="item in scope.row.picUrls"
            :key="item"
            :src="item"
            :preview-src-list="scope.row.picUrls"
            :lazy="true"
            style="width: 40px; height: 40px; margin-right: 5px"
          />
        </template>
      </el-table-column>

      <el-table-column
        align="center"
        :label="$t('goods_comment.table.add_time')"
        prop="addTime"
      />

      <el-table-column
        align="center"
        :label="$t('goods_comment.table.actions')"
        width="200"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            type="primary"
            size="mini"
            @click="handleReply(scope.row)"
            >{{ $t("app.button.reply") }}</el-button
          >
          <el-button
            type="danger"
            size="mini"
            @click="handleDelete(scope.row)"
            >{{ $t("app.button.delete") }}</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="listQuery.page"
      :limit.sync="listQuery.limit"
      @pagination="getList"
    />

    <!-- 评论回复 -->
    <el-dialog width="60%" 
      :visible.sync="replyFormVisible"
      :title="$t('goods_comment.dialog.reply')"
    >
      <el-form
        ref="replyForm"
        :model="replyForm"
        status-icon
        label-position="left"
        label-width="100px"
        style="width: 400px; margin-left: 50px"
      >
        <el-form-item :label="$t('goods_comment.form.content')" prop="content">
          <el-input
            v-model="replyForm.content"
            :autosize="{ minRows: 4, maxRows: 8 }"
            type="textarea"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="replyFormVisible = false">{{
          $t("app.button.cancel")
        }}</el-button>
        <el-button type="primary" @click="reply">{{
          $t("app.button.confirm")
        }}</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listComment, deleteComment } from "@/api/comment";
import { replyComment } from "@/api/order";
import Pagination from "@/components/Pagination"; // Secondary package based on el-pagination

export default {
  name: "Comment",
  components: { Pagination },
  data() {
    return {
      list: [],
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        userId: undefined,
        valueId: undefined,
        sort: "add_time",
        order: "desc",
      },
      downloadLoading: false,
      replyForm: {
        commentId: 0,
        content: "",
      },
      replyFormVisible: false,
    };
  },
  created() {
    this.getList();
  },
  methods: {
    getList() {
      this.listLoading = true;
      listComment(this.listQuery)
        .then((response) => {
          this.list = response.data.data.list;
          this.total = response.data.data.total;
          this.listLoading = false;
        })
        .catch(() => {
          this.list = [];
          this.total = 0;
          this.listLoading = false;
        });
    },
    handleFilter() {
      this.listQuery.page = 1;
      this.getList();
    },
    handleReply(row) {
      this.replyForm = { commentId: row.id, content: "" };
      this.replyFormVisible = true;
    },
    reply() {
      replyComment(this.replyForm)
        .then((response) => {
          this.replyFormVisible = false;
          this.$message.success({
            title: "成功",
            message: "回复成功",
          });
        })
        .catch((response) => {
          this.$message.error({
            title: "失败",
            message: response.data.errmsg,
          });
        });
    },
    handleDelete(row) {
      deleteComment(row).then((response) => {
        this.$message({
          title: "成功",
          message: "删除成功",
          type: "success",
          duration: 2000,
        });
        this.getList();
      });
    },
    handleDownload() {
      this.downloadLoading = true;
      import("@/vendor/Export2Excel").then((excel) => {
        const tHeader = [
          "评论ID",
          "用户ID",
          "商品ID",
          "评论",
          "评论图片列表",
          "评论时间",
        ];
        const filterVal = [
          "id",
          "userId",
          "valueId",
          "content",
          "picUrls",
          "addTime",
        ];
        excel.export_json_to_excel2(
          tHeader,
          this.list,
          filterVal,
          "商品评论信息"
        );
        this.downloadLoading = false;
      });
    },
  },
};
</script>
